Nyctocereus SynonymyNyctocereus (A.Berger) Britton & Rose in Contr. U.S. Natl. Herb. 12: 423. 1909 sec. Arias & al. (2005)Type: Nyctocereus serpentinus (Lag. & Rodr.) Britton & RoseContentNotes Notes Monotypic; segregated from Peniocereus by Arias & al. (2005), as N. serpentinus was resolved distant from the Peniocereus clade.